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From: Eugene Surovegin <ebs@ebshome.net>
To: Yoann Padioleau <padator@wanadoo.fr>
Cc: kernel-janitors@vger.kernel.org, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 06/13] dev->priv to netdev_priv(dev), for drivers/net/ibm_emac
Date: Fri, 3 Aug 2007 10:47:54 -0700	[thread overview]
Message-ID: <20070803174754.GA1352@gate.ebshome.net> (raw)
In-Reply-To: <200708031734.TAA00777@ifs.emn.fr>

On Fri, Aug 03, 2007 at 07:34:19PM +0200, Yoann Padioleau wrote:
> 
> Replacing accesses to dev->priv to netdev_priv(dev). The replacment
> is safe when netdev_priv is used to access a private structure that is
> right next to the net_device structure in memory. Cf
> http://groups.google.com/group/comp.os.linux.development.system/browse_thread/thread/de19321bcd94dbb8/0d74a4adcd6177bd
> This is the case when the net_device structure was allocated with
> a call to alloc_netdev or one of its derivative.

NAK.

While that assumption is correct for the actual emac net device, it's 
not for MAL poll one.

You patch breaks a working driver.

-- 
Eugene


  reply	other threads:[~2007-08-03 17:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-03 17:34 [PATCH 06/13] dev->priv to netdev_priv(dev), for drivers/net/ibm_emac Yoann Padioleau
2007-08-03 17:47 ` Eugene Surovegin [this message]
2007-08-03 18:27   ` Yoann Padioleau

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